gp1200r rough speed estimate someone help

ok so ive got a gp1200r i have a 13/19 solas prop an r and d rideplate pumpnozzle and intake top loader , 150psi heads a free flow exaust and dplate . Future mods will be carbon fibre reeds novi 48carbs with custom manifold riva ecu and a set of tripple pipes, if i get this tunned nicely what sort of numbers do you guys think i will be pulling ?